[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Tue Mar 5 20:16:34 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Tue 05 Mar, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

Analysis Summary
----------------

BGP routing table entries examined:                              182673
    Prefixes after maximum aggregation (per Origin AS):           79993
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      100592
    Number of IPv4 prefixes with a valid ROA:                     68588
    Number of IPv4 prefixes with an invalid ROA:                     25
    Number of IPv4 prefixes with no ROA:                         114056
Total ASes present in the Internet Routing Table:                 15382
    Prefixes per ASN:                                             11.88
Origin-only ASes present in the Internet Routing Table:           13288
Origin ASes announcing only one prefix:                            6047
Transit ASes present in the Internet Routing Table:                2094
Transit-only ASes present in the Internet Routing Table:            579
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               218
    Number of instances of unregistered ASNs:                       218
Number of 32-bit ASNs allocated by the RIRs:                      43763
Number of 32-bit ASNs visible in the Routing Table:                5537
Prefixes from 32-bit ASNs in the Routing Table:                   18353
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             82
Number of addresses announced to Internet:                   1033774265
    Equivalent to 61 /8s, 158 /16s and 36 /24s
    Percentage of available address space announced:               27.9
    Percentage of allocated address space announced:               27.9
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:       53559

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                    28773
    Total APNIC prefixes after maximum aggregation:                6540
    APNIC Deaggregation factor:                                    4.40
Prefixes being announced from the APNIC address blocks:           28513
    Unique aggregates announced from the APNIC address blocks:     7603
APNIC Region origin ASes present in the Internet Routing Table:    1091
    APNIC Prefixes per ASN:                                       26.13
APNIC Region origin ASes announcing only one prefix:                444
APNIC Region transit ASes present in the Internet Routing Table:    179
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    472
Number of APNIC addresses announced to Internet:              171276680
    Equivalent to 10 /8s, 53 /16s and 121 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-153913
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                     82246
    Total ARIN prefixes after maximum aggregation:                44801
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81092
    Unique aggregates announced from the ARIN address blocks:     50437
ARIN Region origin ASes present in the Internet Routing Table:     7182
    ARIN Prefixes per ASN:                                        11.29
ARIN Region origin ASes announcing only one prefix:                3070
ARIN Region transit ASes present in the Internet Routing Table:     640
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1464
Number of ARIN addresses announced to Internet:               605220961
    Equivalent to 36 /8s, 18 /16s and 240 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-401308
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  63/8,  64/8,  65/8,
                        66/8,  67/8,  68/8,  69/8,  70/8,  71/8,  72/8,
                        73/8,  74/8,  75/8,  76/8,  96/8,  97/8,  98/8,
                        99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
                       130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
                       138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
                       147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
                       158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
                       166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
                       174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
                       206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                      

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                     34759
    Total RIPE prefixes after maximum aggregation:                16398
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            35317
    Unique aggregates announced from the RIPE address blocks:     23464
RIPE Region origin ASes present in the Internet Routing Table:     3217
    RIPE Prefixes per ASN:                                        10.98
RIPE Region origin ASes announcing only one prefix:                1373
RIPE Region transit ASes present in the Internet Routing Table:     495
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          22
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1188
Number of RIPE addresses announced to Internet:               154743504
    Equivalent to 9 /8s, 57 /16s and 50 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-216475
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   31881
    Total LACNIC prefixes after maximum aggregation:              10146
    LACNIC Deaggregation factor:                                   3.14
Prefixes being announced from the LACNIC address blocks:          31625
    Unique aggregates announced from the LACNIC address blocks:   15727
LACNIC Region origin ASes present in the Internet Routing Table:   3020
    LACNIC Prefixes per ASN:                                      10.47
LACNIC Region origin ASes announcing only one prefix:              1072
LACNIC Region transit ASes present in the Internet Routing Table:   607
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2307
Number of LACNIC addresses announced to Internet:              73780992
    Equivalent to 4 /8s, 101 /16s and 207 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                   4796
    Total AfriNIC prefixes after maximum aggregation:              1928
    AfriNIC Deaggregation factor:                                  2.49
Prefixes being announced from the AfriNIC address blocks:          6044
    Unique aggregates announced from the AfriNIC address blocks:   3281
AfriNIC Region origin ASes present in the Internet Routing Table:   204
    AfriNIC Prefixes per ASN:                                     29.63
AfriNIC Region origin ASes announcing only one prefix:               88
AfriNIC Region transit ASes present in the Internet Routing Table:   61
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  106
Number of AfriNIC addresses announced to Internet:             28704512
    Equivalent to 1 /8s, 181 /16s and 255 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
                      

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  9808        9625       8739      51  CHINAMOBILE-CN China Mobile Communicati
 56047        1470        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1450        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1436        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         778        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         761        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
 56040         434        488     105  CMNET-GUANGDONG-AP China Mobile communi

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9689      11295    3341  AMAZON-02, US
   749        3201      54920    2453  DNIC-AS-00749, US
   367        2915       3648    1412  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1707       4899     321  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1449        394     644  DNIC-ASBLK-05800-06055, US
  4155        1344         87    1043  USDA-1, US
  7979         993         66     197  SERVERS-COM, US
   855         960        255      83  CANET-ASN-4, CA
 16625         884        409     815  AKAMAI-AS, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1302        110    1060  AKAMAI-ASN1, NL
  3215         899       4811     303  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         720         60      22  Jordan Data Communications, JO
  8452         589       1841      11  TE-AS TE-AS, EG
 51167         436         79     184  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 29580         414         46     174  A1BG_RSG A1 EAD, BG
 34984         414         60     340  TELLCOM-AS, TR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5362       1549     922  UNINET, MX
  3816        1311        787     198  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1089        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         986       1120      28  TELEFONICA BRASIL S.A, BR
 11664         591        108     224  Techtel LMDS Comunicaciones Interactiva
 26599         570       2941      45  TELEFONICA BRASIL S.A, BR
 10620         515         69     430  Telmex Colombia S.A., CO
 13999         490         70     211  Mega Cable, S.A. de C.V., MX
 22368         247         27      75  TELEBUCARAMANGA S.A. E.S.P., CO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863         652        210     245  LINKdotNET-AS, EG
 29571         476         35     243  ORANGE-COTE-IVOIRE, CI
 36992         474        671     291  ETISALAT-MISR, EG
  2018         381        319      71  TENET-1, ZA
 36935         267         67      80  Vodafone-, EG
 24835         199        162     115  RAYA-AS, EG
 36914         197         82       3  KENET-AS, KE
327687         161         28       3  RENU, UG
 37492         156        471      44  ORANGE-, TN
 37693         145        595      51  TUNISIANA, TN

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9689      11295    3341  AMAZON-02, US
  9808        9625       8739      51  CHINAMOBILE-CN China Mobile Communicati
  8151        5362       1549     922  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3201      54920    2453  DNIC-AS-00749, US
   367        2915       3648    1412  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1707       4899     321  CENTURYLINK-US-LEGACY-QWEST, US
 56047        1470        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1450        874     110  CMNET-JIANGSU-AP China Mobile communica

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  9808        9625         9574  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5362         4440  UNINET, MX
 11776        1856         1637  ATLANTICBB-JOHNSTOWN, US
   367        2915         1503  DNIC-ASBLK-00306-00371, US
 56047        1470         1436  CMNET-HUNAN-AP China Mobile communications corp
   209        1707         1386  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1436         1363  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1450         1340  CMNET-JIANGSU-AP China Mobile communications co
  3816        1311         1113  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.231.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.235.0/24           7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.180.92.0/22            7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.180.244.0/23           7018  ATT-INTERNET4, US
     16994  UNALLOCATED  12.184.248.0/24           7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.77.208.0/22       Origin:     37475  RESERVED, ZZ
41.77.208.0/22      Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
41.78.204.0/22       Origin:     37475  RESERVED, ZZ
41.78.204.0/22      Transit:     15964  CAMNET-AS, CM

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:11       /9:4       /10:14      /11:27      /12:73      
/13:111     /14:335     /15:671     /16:5366    /17:2514    /18:2587    
/19:5314    /20:8498    /21:10752   /22:19411   /23:19963   /24:106766  
/25:80      /26:51      /27:66      /28:19      /29:21      /30:14      
/31:0       /32:5       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2946        5362  UNINET, MX
 16509        2046        9689  AMAZON-02, US
   209         963        1707  CENTURYLINK-US-LEGACY-QWEST, US
 11776         893        1856  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
  6147         687        1089  Telefonica del Peru S.A.A., PE
 19901         684         823  BRSPD-PUBLIC, US
  8376         563         720  Jordan Data Communications, JO
  7979         446         993  SERVERS-COM, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:8         2:463       3:274       5:1058      6:148       7:5      
   8:619      11:171      12:258      13:326      14:99       15:281    
  16:174      17:6        18:691      20:30       21:4        22:188    
  23:1826     24:393      25:2        27:19       29:19       31:151    
  32:1        34:3        35:53       36:1114     37:540      38:853    
  39:523      40:8        41:560      42:22       43:181      44:33     
  45:2274     46:568      47:100      49:10       50:248      51:468    
  52:1355     54:274      55:859      57:15       58:6        59:34     
  60:19       61:63       62:354      63:463      64:1506     65:816    
  66:1257     67:675      68:165      69:714      70:150      71:191    
  72:359      74:719      75:393      76:206      77:266      78:532    
  79:162      80:190      81:184      82:170      83:94       84:181    
  85:286      86:147      87:144      88:97       89:473      90:98     
  91:521      92:392      93:774      94:490      95:1079     96:165    
  97:30       98:125      99:146     100:20      101:25      102:179    
 103:1054    104:677     105:130     106:2       107:221     108:296    
 109:236     110:29      111:1748    112:447     113:40      114:31     
 115:10      116:31      117:946     118:51      119:94      120:1089   
 121:31      122:82      123:20      124:65      125:12      128:392    
 129:276     130:508     131:781     132:505     133:264     134:321    
 135:68      136:356     137:443     138:722     139:402     140:566    
 141:326     142:689     143:593     144:318     145:67      146:473    
 147:320     148:577     149:503     150:285     151:540     152:372    
 153:118     154:439     155:672     156:312     157:225     158:310    
 159:530     160:627     161:417     162:696     163:293     164:617    
 165:364     166:103     167:377     168:959     169:153     170:1219   
 171:62      172:877     173:617     174:107     175:44      176:402    
 177:704     178:306     179:483     180:44      181:1008    182:10     
 183:853     184:205     185:2192    186:1040    187:745     188:482    
 189:1072    190:2962    191:197     192:3670    193:1222    194:773    
 195:558     196:438     197:486     198:1900    199:3143    200:2724   
 201:2580    202:910     203:600     204:1747    205:1661    206:1128   
 207:1051    208:981     209:1388    210:290     211:422     212:712    
 213:574     214:1062    215:37      216:1687    217:300     218:516    
 219:19      220:31      221:294     222:18      223:657    

End of report


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